220973914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{830729}}^1$

素因数の和:830757

約数の個数: 16

約数和(自身を含む): 398750400

約数和(自身を除く): 177776486

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 830729, 1661458, 5815103, 11630206, 15783851, 31567702, 110486957, 220973914]

約数ペア:

[(1, 220973914), (2, 110486957), (7, 31567702), (14, 15783851), (19, 11630206), (38, 5815103), (133, 1661458), (266, 830729)]